added php download of membershipments

vendor/illuminate/contracts/Pagination/LengthAwarePaginator.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Illuminate\Contracts\Pagination;
+
+interface LengthAwarePaginator extends Paginator
+{
+    /**
+     * Create a range of pagination URLs.
+     *
+     * @param  int  $start
+     * @param  int  $end
+     * @return array
+     */
+    public function getUrlRange($start, $end);
+
+    /**
+     * Determine the total number of items in the data store.
+     *
+     * @return int
+     */
+    public function total();
+
+    /**
+     * Get the page number of the last available page.
+     *
+     * @return int
+     */
+    public function lastPage();
+}